55355170 has 64 divisors (see below), whose sum is σ = 114871680. Its totient is φ = 19035648.

The previous prime is 55355159. The next prime is 55355177. The reversal of 55355170 is 7155355.

It is not an unprimeable number, because it can be changed into a prime (55355177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180157 + ... + 180463.

It is an arithmetic number, because the mean of its divisors is an integer number (1794870).

Almost surely, 2^55355170 is an apocalyptic number.

55355170 is an abundant number, since it is smaller than the sum of its proper divisors (59516510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55355170 is a wasteful number, since it uses less digits than its factorization.

55355170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419.

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 55355170 is about 7440.1055100045. The cubic root of 55355170 is about 381.1120930942.

The spelling of 55355170 in words is "fifty-five million, three hundred fifty-five thousand, one hundred seventy".